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1334 articles for “and ash”
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Employing Cyber Security in Big Data
Abstract: Big data is identified by extreme measure of information generated at a standard premise by devices and internet-based sources. To construct valuable solutions for specific fields, this data can be treated and dismembered. Different techniques of computational and data analysis have been identified for usage in this domain. It has provided upward advancement of voluminous data processing registering models and tools. In traditional systems and innovations, the capability and handling …
Published in Recent Trends in Parallel Computing · Vol. 9, Issue 2, 2022 · pp. 18–21 Read article
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Experimental Study on Heat Transfer Enhancement in a Mini Channel Heat Sink Using Al2O3/Water Nanofluid
Abstract: In this present work, experimental investigation of heat transfer enhancement using Al2O3/water nano fluid in a mini channel heat sink is carried out. Efforts have been undertaken to explore the forced convective heat transfer performance of Al2O3/water nanofluid having 0.1% volume fraction of Al2O3 as the coolant in a copper mini channel heat sink. The mini channel heat sink fabricated consists of 15 parallel rectangular mini-channels of length 50mm with …
Published in Journal of Thermal Engineering and Applications · Vol. 1, Issue 2, 2014 · pp. 29–38 Read article
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Thermal Performance Analysis of Flat Plate Solar Collector and Solar Dryer of Indirect Solar Drying System
Abstract: The objective of this study is to investigate the thermal performance of a flat plate solar collector and solar dryer experimentally. The expressions for efficiency of solar collector andsolar dryer with phase change material (PCM) storage system in quasi-steady state conditions have been derived. The analysis is based on the basic energy balance forthe system. A computer model has been developed to predict the various performance parameters of the solar …
Published in Journal of Thermal Engineering and Applications · Vol. 2, Issue 3, 2015 · pp. 21–31 Read article
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Digital Image Watermarking using Discrete Cosine Transform
Abstract: Digital image processing is a growing field. Digital image processing operations are mainly divided into three major categories: Image enhancement, Image compression and Image segmentation. Digital Watermarking comes under image segmentation. The present paper proposes the technique for the digital watermarking for digital multimedia. The growth in e-world which is coupled with computer network, world wide web and more over exponential advancement in computer performance. All these technologies has facilitated …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 1, Issue 2, 2013 · pp. 17–22 Read article
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An Experimental Study of Wear and Frictional Behaviour of Different Metal Pairs under Different Normal Loads
Abstract: In the present study, wear and friction coefficients of different material pairs, such as aluminium, brass, copper and steel, are investigated and compared experimentally. In order to do so, a pin-on-disc apparatus is used. Experiments are carried out when different types of pin such as aluminium, brass, copper and mild steel slide on different disc materials such as aluminium, brass, copper and mild steel. Experiments are conducted at normal load …
Published in Trends in Machine design · Vol. 3, Issue 2, 2016 · pp. 1–12 Read article
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Design and Performance Improvement of Wearable Antenna
Abstract: In this paper, a novel structure of wearable antenna using clothing materials, suitable for wearable application has been presented. The substrate of the designed antenna was made of textile material, while radiating element and ground plane are made out of copper tape. To design a novel wearable flexible antenna which has high gain, efficiency, good return loss. Improvement in the design is done by increasing the electrical length and area …
Published in Journal of Microwave Engineering and Technologies · Vol. 1, Issue 2, 2014 · pp. 1–8 Read article
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Treatment of Dairy Cooling Unit Washing Wastewater using Modified Sequencing Batch Reactor (MSBR) with various Media
Abstract: A bench scale modified sequencing batch reactor (MSBR) was employed for treatment of diary cooling unit wastewater. The reactor was constructed in cylindrical shape with outlet nozzle at the bottom using borosilicate glass with capacity of 10 L. The reactor was supplied with oxygen by bubble air diffuser at the aeration rate of 4 L/h. The aeration rate was optimized by doing series of trials for MSBR operation. The reactor …
Published in Journal of Water Pollution & Purification Research · Vol. 1, Issue 1, 2014 · pp. 34–38 Read article
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PAPR Reduction for OFDM System Using Adaptive PTS Combined with Interleaving Technique
Abstract: Partial transmits sequence (PTS) is one of the methods used for reduction of the peak-to-average power ratio (PAPR) in orthogonal frequency-division multiplexing (OFDM) scheme. In this, as the number of sub-blocks and rotation factors increases PAPR is reduced. While increasing the number of subcarriers, the complexity exponentially increases and thus, there occurs the process delay. An adaptive PTS scheme collectively with localized and interleaving technique has been proposed in this …
Published in Recent Trends in Electronics Communication Systems · Vol. 2, Issue 3, 2015 · pp. 39–46 Read article
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Optimization of Sensing Parameters Using PSO, GAAlgorithms for Cognitive Radio
Abstract: Cognitive Radio (CR) is an emerging technology, which has the potential of being a disruptive technology, and will enable the future wireless world. In this radio, spectrum sensing is an appropriate tool to study surrounding environment in order to illustrate the suitable scenario for sharing spectrum between users.The main objective of spectrum sensingis to provide more spectrum access opportunities to cognitive radio users without interfering with the operations of the …
Published in Recent Trends in Sensor Research & Technology · Vol. 2, Issue 3, 2015 · pp. 23–30 Read article
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A GLRD based Receiver design using OBEB algorithm for MIMO system
Abstract: This paper gives the performance comparison of a MIMO system applying a modified branch-estimate-bound (MBEB) and ordered branch-estimate-bound (OBEB) algorithms of generalized likelihood ratio detector (GLRD) in the presence of channel estimation error. Here, two sources of errors like, errors due to noise and errors due to time variations induced by Doppler effects are considered. The GLRD solves the transmitted symbols using joint channel symbol estimation by combining the channel …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 1, Issue 1, 2014 · pp. 11–15 Read article
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Fluid Flow and Solidification Analysis in Gravity Die Casting (GDC)
Abstract: Gravity die casting is a process wherein the fluid metal is poured into metallic moulds without application of any external force. The fluid metal enters the cavity by gravity method. In the design of dies for GDC, usage of “cores” is an important issue. The undercuts and the hollow shapes are produced with the help of additional mould parts called “cores”. For simple shapes without any under cuts the metallic …
Published in Recent Trends in Fluid Mechanics · Vol. 1, Issue 3, 2014 · pp. 38–48 Read article
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Sonochemical Synthesis and Photo-Catalytic Study of Cd Doped Znse Nanoparticles
Abstract: Cd doped ZnSe nanoparticles have been successfully synthesized with sonochemical process by reacting high purity acetates and sodium selenosulphate at 343 K. The size of nanoparticles was calculated by using powder XRD. It shows the crystalline size ranging between 35.3 nm to 45.44 nm. XRD further shows that ZnSe nanocrystallites are polycrystalline in nature and belong to the hexagonal phase. SEM shows that the particles are spherical in shape. Effect …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 17, Issue 1, 2015 · pp. 32–41 Read article
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MgO Nanoparticles Prepared By Microwave-Irradiation Technique and Its Seed Germination Application
Abstract: The nanoparticles are having the vast surface area because of their size is which in the nano range. All the nano structured materials possess a huge surface energy. The nanoparticles of inorganic compounds are used in various fields like electronics, optics, seed germination, paints, different types of sensors, water purification and biomedical fields. The present work is focused on preparation, characterization and application of Vigna radiata (mung bean) seed germination …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 18, Issue 1, 2016 · pp. 10–17 Read article
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Sol-Gel Auto-Combustion Synthesis and LPG Sensing Performance of Mg(x) Fe(x-1)2O4 (X=0.1 to 0.9) Nanoparticles
Abstract: Spinal ferrites are having important electronic materials because of their electrical and magnetic properties. MgFe2O4 gas sensors have important parameters such as phase formation, crystallite size, particle size, grain size, surface area etc. The present work provides comprehensive study of the mesoporous Mg(x)Fe(x-1)2O4 nanoparticles which were synthesized via sol-gel auto-combustion method. The main objective of the current research is to study the influence by increasing the concentration of ferrite with …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 19, Issue 1, 2017 · pp. 48–58 Read article
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Tensile Behavior of Aluminum–Cenosphere Metal Matrix Composite by Stir-Casting Route
Abstract: Normal 0 false false false EN-US X-NONE X-NONE The invention of new materials widens the scope for usage in contemporary material science and their development; the properties of metal matrix composites (MMCs) can be modified to suit the application. The present investigation focuses on dispersing the cenosphere particles into aluminum alloy (AA6063) to produce the composite. The major constituents in cenosphere are refractory oxides like silica, alumina and iron oxide. …
Published in Trends in Mechanical Engineering & Technology · Vol. 2, Issue 2, 2012 · pp. 39–45 Read article
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Linear Static and Fatigue Analysis of Nose Landing Gear for Trainer Aircraft
Abstract: The main objective of this paper is to present prototype of aircraft landing gear using CATIA V5 software to study the behavior of landing gear as per actual working condition and to perform structural analysis to study the landing gear behavior for cyclic loading (fatigue loading). Determining the loading modes in the nose landing gear is subjected to static load and cyclic loads which should be taken into account in …
Published in Trends in Mechanical Engineering & Technology · Vol. 4, Issue 2, 2014 · pp. 1–10 Read article
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Damping Analysis of Composite Drive Shaft using Computational methods
Abstract: Drive shaft used in automotive is a critical component which comes under the influence of different types of loads in operation. Torsional loading is one of the prime causes contributing to its failure. Most of the research on drive shaft was focused on evaluating natural frequency, torsional strength, buckling torque using analytical approach and also using FEM. This project work deals with the analysis of damping behavior of E-glass/epoxy composite …
Published in Trends in Mechanical Engineering & Technology · Vol. 4, Issue 2, 2014 · pp. 33–38 Read article
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Evaluation of J-Integral and Fatigue Crack Growth Rate of Semi-elliptical Crack in Compressor Blade
Abstract: Gas turbine compressor blades are subjected to centrifugal, gas bending and vibratory loads. This repeated loading and unloading can reduce the life of compressor blades. This research aims at the estimation of fatigue crack growth rate of various three-dimensional cracks in a compressor blade considering the J-integral calculations for a semi-elliptical crack, subjected to centrifugal loading. Static stress analysis was carried out to ascertain the critical region or crack zone …
Published in Trends in Mechanical Engineering & Technology · Vol. 4, Issue 2, 2014 · pp. 39–46 Read article
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A Review: Effect of Different Shielding Gas on Weld Penetration in Stainless Steel in GTAW Process
Abstract: Gas tungsten arc welding (GTAW) is high quality and high precision welding process which is suitable for welding thin metals. Inert gases as helium and argon, carbon dioxide and nitrogen are used as a shielding gas to prevent the weld bead from air, dust and other contaminations in welding. There are so many welding process parameters which affect the weld quality in GTAW. Important process parameters which mainly affect the …
Published in Trends in Mechanical Engineering & Technology · Vol. 7, Issue 1, 2017 · pp. 13–18 Read article
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Ionic Liquids: Environmentally Benign Solvent for Extractive Deep-desulfurization of Liquid Fuels
Abstract: Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4 In order to obtain the ultra-low sulfur fuels, deep desulfurization of fuels has become a vital subject of environmental studies. Extraction desulfurization system is one of the most promising desulfurization processes. The aim of this study is to investigate the possible use of Ionic liquids as an extractant for the removal of dibenzothiophene. Ionic Liquids as green solvents have recently been …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 5, Issue 3, 2014 · pp. 28–34 Read article